Meaning of "maintain"

maintain •

v.
• • 1. to keep, keep up, carry on: magpanatili, panatilihin, manatili
  • 2. to uphold, declare to be true: manindig, panindigan, maggiit, igiit, ipaggiitan
  • 3. to support, sustain: sumustento, sustentuhan, tumustos, tustusan